if president obama wins ohio, the path for romney is challenging. for example, woe have to win virginia, wisconsin, florida, iowa, new hampshire and still not have the electoral votes he needs. he would have to add colorado to get there. tonight these new campaign numbers reflecting the rough week last week. that secret tape. the words about 47%. the obama team up in eight states. >> mitt romney attacked millions of hard working people making 25, 35 -- >> reporter: now, on that issue of taxes, what the governor said here today, talking about those taxes, the president did not raise income tax rates in his first term. he has proposed raising taxes on families earning $250,000 or more. diane, tonight this campaign looking for a game-change. as you know the all important debate a week from tomorrow. they action knowledged mr. romney was practicing and has research sessions this week. >> a lot of pressure on that debate. thank you, david. what about the man who will face the governor, the president? he was making a case today but before a world audience